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    <script>
        const p1 = new Promise((resolve, reject) => {
            try {
                console.log("开始请求A.....")
                // throw new Error("网络出现问题!")
                setTimeout(() => {
                    console.log("数据请求成功");
                    resolve({
                        token: "hskahdoqwhdlkash"
                    })
                }, 2000)
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                reject(e.message)
            }
        })

        const p2 = p1.finally((reason) => {
            console.log("finally", reason); //undefined

            // throw new Error("finally报错")
            return new Promise((resolve, reject) => {
                // resolve("finally成功")
                // reject("finally失败")
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        })
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